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Atomically-thin Bi2MoO6 nanosheets with vacancy pairs for improved photocatalytic CO2 reduction
Abstract
Abstract Exploring efficient strategies to increase CO2 photoreduction performance is a key challenge in the energy conversion field. Herein, a cooperative role involving an ultrathin 2D structure and surface defects is employed to design defective Bi2MoO6 ultrathin nanosheets, to boost the CO2 photoreduction activity under water with no sacrificial agent, co-catalyst or extra photosensitizer. Bi2MoO6 ultrathin nanosheets with surface “Bi O″ vacancy pairs are grown via a template-directed strategy, as proved by STEM-ADF and positron annihilation spectroscopy. The engineered “Bi O″ vacancy pairs tune the local atomic structure, electronic structure of Bi2MoO6 and serve as charge separation centers to boost the electron-hole separation. Meanwhile, the defective ultrathin structure favors the CO2 adsorption, activation and CO desorption processes. With the merits of atomically-thin configuration and surface defects, the defective Bi2MoO6 ultrathin nanosheets display 2.55 times improved CO formation rate than their bulk counterpart under light irradiation.
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Citations
Cited by
Kovačič, Ž., Likozar, B., & Huš, M. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c02557 · Cited by 474
Zhang, C., Qin, D., Zhou, Y., Qin, F., Wang, H., Wang, W., Yang, Y., & Zeng, G. (2022) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2021.120904 · Cited by 394
Atomic Thickness Catalysts: Synthesis and Applications
Han, A., Zhang, Z., Li, X., Wang, D., & Li, Y. (2020) · Small Methods · doi:10.1002/smtd.202000248 · Cited by 43
Metadata
- Authors
- Di, J., Zhao, X., Lian, C., Ji, M., Xia, J., Xiong, J., Zhou, W., Cao, X., She, Y., Liu, H., Loh, K. P., Pennycook, S. J., Li, H., & Liu, Z.
- Venue
- Nano Energy
- Publisher
- Elsevier BV
- Published
- 2019-07
- Volume
- 61
- Pages
- 54-59
- ISSN
- 2211-2855 (ISSN-L)
- OpenAlex
- W2937350660
- Cited by
- 346
- References
- 0
- FWCI
- 9.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Atomically-thin Bi2MoO6 nanosheets with vacancy pairs for improved photocatalytic CO2 reduction. https://app.cochat.ai/papers/10.1016/j.nanoen.2019.04.029
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- Di, J., Zhao, X., Lian, C., Ji, M., Xia, J., Xiong, J., Zhou, W., Cao, X., She, Y., Liu, H., Loh, K. P., Pennycook, S. J., Li, H., & Liu, Z. (2019). Atomically-thin Bi2MoO6 nanosheets with vacancy pairs for improved photocatalytic CO2 reduction. Nano Energy. https://doi.org/10.1016/j.nanoen.2019.04.029
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